2005 BMW X5 vs. 2012 BMW M5
To start off, 2012 BMW M5 is newer by 7 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 4,400 cc (8 cylinders), 2012 BMW M5 is equipped with a bigger engine. In terms of performance, 2012 BMW M5 (560 HP @ 6000 RPM) has 345 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 2012 BMW M5 should accelerate faster than 2005 BMW X5.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2012 BMW M5. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2012 BMW M5 (680 Nm @ 1500 RPM) has 160 more torque (in Nm) than 2005 BMW X5. (520 Nm @ 2000 RPM). This means 2012 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X5. 2012 BMW M5 has automatic transmission and 2005 BMW X5 has manual transmission. 2005 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 BMW M5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW X5 | 2012 BMW M5 | |
| Make | BMW | BMW |
| Model | X5 | M5 |
| Year Released | 2005 | 2012 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 4400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 560 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 520 Nm | 680 Nm |
| Torque RPM | 2000 RPM | 1500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 7-speed automated manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4670 mm | 4910 mm |
| Vehicle Width | 1880 mm | 1892 mm |
| Vehicle Height | 1720 mm | 1455 mm |
